
        *{
            margin: 0;
            padding: 0;
        }
        table{
            width: 100%;
        }
        table th ,table td{
            height: 50px;
            line-height: 50px;
        }
        table tbody tr:nth-child(2n){
            background-color: gainsboro;
        }
        table td{
            text-align: center;
        }
        .conter{
            width: 960px;
            margin: 30px auto;
        }
        .button1{
            padding: 5px 10px;
            margin: 5px;
            background-color: orange;
            color: white;
            border: none;
            border-radius: 15%;
            cursor: pointer;
            float:right
        }
        button{
            padding: 5px 10px;
            margin: 5px;
            background-color: orange;
            color: white;
            border: none;
            border-radius: 15%;
            cursor: pointer;
        }



        #divAddStudent{
            position: absolute;
            z-index: 1;
            top: 0;
            bottom: 0;
            right: 0;
            left: 0;
            width: 500px;
            height: 300px;
            margin: auto;
            background-color: white;
            box-sizing: border-box;
            padding: 20px 50px;
        }
        #divAddStudent h2{
            margin-bottom: 30px;
        }
        #divAddStudent p{
            margin-top: 10px;
        }
        #zhezhao{
            position: absolute;
            top: 0;
            bottom: 0;
            right: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.4);
        }
        .hidden{
            display: none;
        }
        .show{
            display: block;
        }
        tbody:empty:before{
            content:"当前没有门店，快去添加吧"
        }

        html {
            scroll-behavior: smooth;
        }


      
      
        
    
    